Cuvette system



FIG. 1 shows a perspective view of the cuvette system;

FIG. 2 shows a side view of the cuvette system of FIG. 1;

FIG. 3 shows a front view of the cuvette system of FIG. 1;

FIG. 4 shows a bottom view of the cuvette system of FIG. 1; and,

FIG. 5 shows a top view of the cuvette system of FIG. 1.

Portions of the cuvette system shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a cuvette system, as shown and described. 